K.O Leach boxeador
- combates
- 24
- ganados
- 14
- perdidos
- 7
- empates
- 3
- Estado
- inactive
- División
- middleweight
- Debut
- 1921-11-07
- Altura
- -
- Alcanza
- -
- Edad
- -
- Nacimiento
- -
- Muerte
- -
- Nacionalidad
- USA
| Fecha | Oponente | Resultados últimos oponentes | Lugar | Resultado |
|---|---|---|---|---|
| 1929-04-04 | KO Kelley | LLW | Arcadia Auditorium, Portsmouth | LOST Points |
| 1929-02-20 | Henry Tatro | LD | Laconia | WIN Points |
| 1929-01-21 | Steve Syduski | WWWLWL | Arcadia Auditorium, Portsmouth | WIN KO |
| 1928-11-01 | Joe McDonald | LDWWWD | Arcadia Auditorium, Portsmouth | LOST KO |
| 1928-05-08 | Red Grange | WWDWLW | Exposition Building, Portland | LOST |
| 1928-05-03 | Phil Gallant | WWLWWD | Freeman's Hall, Portsmouth | LOST Technical knockout |
| 1928-04-16 | Phil Gallant | WWLWW | Freeman's Hall, Portsmouth | DRAW Points |
| 1928-03-21 | Phebe McDonald | debut | Opera House, Dover | WIN KO |
| 1928-03-15 | Bill Stearns | WL | Freeman's Hall, Portsmouth | WIN Points |
| 1928-02-27 | Joe McDonald | LDDLLL | Opera House, Dover | LOST Points |
| 1928-01-01 | Bill Stearns | W | Freeman's Hall, Portsmouth | WIN Points |
| 1927-11-10 | Tiger Flowers | LL | Freeman's Hall, Portsmouth | DRAW Points |
| 1927-10-13 | Jimmy Hale | debut | Freeman's Hall, Portsmouth | WIN Points |
| 1927-10-06 | Young Dumont | LWWLWD | Freeman's Hall, Portsmouth | LOST Points |
| 1927-09-13 | Knockout Skee | debut | Freeman's Hall, Portsmouth | WIN KO |
| 1927-06-28 | Tiger Tom Dixon | LLD | Freeman's Hall, Portsmouth | WIN |
| 1927-06-07 | Jack Kenney | debut | Freeman's Hall, Portsmouth | WIN Technical knockout |
| 1924-05-22 | Quincy Jimmy Gardner | LWWLLL | Freeman's Hall, Portsmouth | LOST Points |
| 1923-12-06 | Doc DuBose | WW | Freeman's Hall, Portsmouth | WIN Points |
| 1923-10-22 | Joe St Hilaire | WWLLLL | Freeman's Hall, Portsmouth | LOST Technical knockout |
| 1923-09-25 | Kid Farrell | debut | Freeman's Hall, Portsmouth | WIN KO |
| 1923-06-20 | Chick Williams | debut | Armory, Dover | DRAW Points |
| 1921-12-13 | Young Williams | D | Newmarket | WIN KO |
| 1921-11-21 | Young Simmons | LWDL | Wentworth Hall, Kittery | WIN KO |
| 1921-11-07 | Mike Cass | debut | Wentworth Hall, Kittery | WIN KO |